2 added 1 character in body
source | link

No. do + be by itself is not a valid construction.

One of many possible replacements for your incorrect construction is:

HTML is not a programming language. On the other hand, JavaScript, that can be used in aan HTML document, really is a programming language.

There is a whole class of words used to intensify verbs, adjectives or adverbs in some way. These are the intensifiers. Explaining all of them takes up more room than can reasonably fit in an answer. Just look up each intensifier in a dictionary.

http://dictionary.cambridge.org/grammar/british-grammar/intensifiers-very-at-all

https://en.wikipedia.org/wiki/Intensifier

https://learnenglish.britishcouncil.org/en/english-grammar/adjectives/intensifiers

No. do + be by itself is not a valid construction.

One of many possible replacements for your incorrect construction is:

HTML is not a programming language. On the other hand, JavaScript, that can be used in a HTML document, really is a programming language.

There is a whole class of words used to intensify verbs, adjectives or adverbs in some way. These are the intensifiers. Explaining all of them takes up more room than can reasonably fit in an answer. Just look up each intensifier in a dictionary.

http://dictionary.cambridge.org/grammar/british-grammar/intensifiers-very-at-all

https://en.wikipedia.org/wiki/Intensifier

https://learnenglish.britishcouncil.org/en/english-grammar/adjectives/intensifiers

No. do + be by itself is not a valid construction.

One of many possible replacements for your incorrect construction is:

HTML is not a programming language. On the other hand, JavaScript, that can be used in an HTML document, really is a programming language.

There is a whole class of words used to intensify verbs, adjectives or adverbs in some way. These are the intensifiers. Explaining all of them takes up more room than can reasonably fit in an answer. Just look up each intensifier in a dictionary.

http://dictionary.cambridge.org/grammar/british-grammar/intensifiers-very-at-all

https://en.wikipedia.org/wiki/Intensifier

https://learnenglish.britishcouncil.org/en/english-grammar/adjectives/intensifiers

1
source | link

No. do + be by itself is not a valid construction.

One of many possible replacements for your incorrect construction is:

HTML is not a programming language. On the other hand, JavaScript, that can be used in a HTML document, really is a programming language.

There is a whole class of words used to intensify verbs, adjectives or adverbs in some way. These are the intensifiers. Explaining all of them takes up more room than can reasonably fit in an answer. Just look up each intensifier in a dictionary.

http://dictionary.cambridge.org/grammar/british-grammar/intensifiers-very-at-all

https://en.wikipedia.org/wiki/Intensifier

https://learnenglish.britishcouncil.org/en/english-grammar/adjectives/intensifiers